Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Stabilizer Bar - Cobra
    Removal CAUTION: Suspension fasteners are critical parts because they affect performance of vital components and systems and their failure can result in major service expense. A new part with the same part number must be installed if installation becomes nec ...

    Symptom Chart
    Condition Possible Sources Action Dogtracking Excessive rear thrust angle. Front or rear suspension components. Drive axle damaged. CHECK the wheel alignment. ADJUST as necessary INSPE ...

    Idle Air Control (IAC) Valve - 3.8L
    Removal 1. Disconnect the battery ground cable. For additional information, refer to Section. 2. NOTE: Discard the idle air control (IAC) valve gasket. Remove the IAC valve. Disconnect the connector. Remove the two bolts, the IAC valve and ...